Which component is considered the brain of the computer? MCQ with Answer and Explanation

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Which component is considered the brain of the computer?

A. RAM

B. CPU

C. Hard disk

D. Monitor

Answer: Option B

Solution (By JKSSB Mock Tests)

The Central Processing Unit (CPU) is often called the brain of the computer because it executes instructions.

This question belongs to: Computer Computer Fundamentals

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Question #1

What does the acronym 'CPU' stand for?

A. Central Program Unit

B. Central Processing Unit

C. Control Processing Unit

D. Computer Personal Unit

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Correct Answer: Option B

Explanation:
CPU stands for Central Processing Unit, the primary component that executes instructions.

This question belongs to: Computer Computer Fundamentals

Question #2

What does 'GIGO' stand for in computing?

A. Garbage In, Garbage Out

B. Good Input, Good Output

C. General Input, General Output

D. Global Input, Global Output

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Correct Answer: Option A

Explanation:
GIGO means that incorrect or poor input will produce faulty output.

This question belongs to: Computer Computer Fundamentals

Question #3

Which of the following is an example of a hybrid computer?

A. Smartphone

B. Petrol pump dispenser

C. Laptop

D. Desktop

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Correct Answer: Option B

Explanation:
Hybrid computers combine analog and digital features, like petrol pump dispensers that measure and process fuel flow.

This question belongs to: Computer Computer Fundamentals

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